Why the Drinks You Give Your Child Might Cause Cavities

April 3, 2025

Pictures of soda in glasses.

As a parent, you want to give your child the best: healthy meals, safe environments, and of course, a bright smile. But even the most well-meaning caregivers might be unknowingly contributing to their child’s dental problems through something seemingly harmless: the drinks they buy. Cavities are one of the most common chronic conditions in children. While brushing and flossing are essential, what your child drinks every day plays a huge role in their oral health. So, let’s break down the most common kids’ beverages and their impact on those little teeth.

Juice Boxes: Not as Healthy as They Seem

It’s easy to assume that fruit juice is a healthy choice – it has “fruit” right in the name. But many juice boxes are packed with sugar, even those labeled “100 percent juice.” Orange juice, apple juice, and grape juice can contain as much sugar as soda. Even natural sugars can feed the bacteria in your child’s mouth, which then produce acid that weakens enamel and causes cavities.

What to do: Limit juice to no more than 4 ounces per day for toddlers and 6 ounces for older kids, as recommended by pediatricians. Dilute it with water and avoid giving it in sippy cups throughout the day; constant exposure is worse than occasional consumption.

Flavored Milk: Sugar Hiding in Dairy

Chocolate and strawberry milk are often served at school or as a “treat,” but they can contain 2 to 3 teaspoons of added sugar per serving. While milk itself is rich in calcium and important for developing teeth and bones, the added sugars make flavored milk a risk for cavity formation.

What to do: Stick to plain white milk. If flavored milk is a must-have, offer it with meals instead of as a between-meal snack, and make sure your child brushes afterward.

Sports and Electrolyte Drinks: Not Just for Athletes

These brightly colored beverages are marketed as hydrating and energizing, but most are loaded with sugar and acid. The acid content, in particular, erodes enamel over time, even if sugar levels are moderate. These drinks are often consumed by kids who aren’t even participating in sports.

What to do: Save sports drinks for occasional use during extended physical activity. Water should always be the go-to hydration source.

Soda and Energy Drinks: The Obvious Offenders

We all know soda isn’t great for teeth. It’s a double threat: high in sugar and extremely acidic. Even diet sodas, which are sugar-free, can cause enamel erosion due to their acidity. Energy drinks are even worse and completely inappropriate for children.

What to do: Avoid soda and energy drinks altogether. If your child does have one, rinse with water afterward and wait at least 30 minutes before brushing to avoid damaging softened enamel.

The Best Choice: Water

Plain water is the safest and healthiest drink for your child’s teeth. Fluoridated water helps strengthen enamel and rinse away food particles and bacteria. It’s also calorie-free and helps create lifelong healthy habits.

If cavities keep showing up at the dentist’s office, the culprit might be in your fridge. Many popular kids’ drinks, though convenient and appealing, are loaded with sugars and acids that contribute to tooth decay. By reading labels, making smarter choices, and prioritizing water, you’ll be protecting your child’s smile for years to come.

About the Practice

Do you need a caring, expert practice for your little one’s dental needs? Choose Garland Pediatric Dentistry to let us care for your child. We have sedation options available for kids anxious to see the dentist, kid-friendly metal restorations, and a skilled pediatric dentist with years of experience. For us, every single child deserves specialized attention, and you can count on us to give it to them! Call us today to schedule your appointment at (972) 674-9966 or visit our website.